Perhaps you should try some spelling variations:
lang dai » lang hai, lang mai, lang chai
ky lang » ky nang, ky dang, ky tang
dai moi » doi moi, dai hoi
hieu su » hieu sau, tieu su, hieu so
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua thuoc, luat tuc
tu sac » tu sach, tu san, tu bac
su cam » su nam, su cao, su can
xuc va » duc va, tuc va, luc va
cua tu » cua su, cua cu, cua te

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu cac)) ky lang dai moi. hieu su cam xuc va hanh vi ((cua tu) OR (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky lang dai moi. hieu su cam xuc va hanh vi ((cua tu) OR (cua tuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu cac)) ky lang dai moi. hieu su cam xuc va hanh vi ((cua tu) OR (cua tuc))".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ky lang dai moi. hieu su cam xuc va hanh vi ((cua tu) OR (cua tuc))*.